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Mycophenolate Mofetil Morpholino Ester from Japan

The specific morpholinoethyl ester prodrug form of mycophenolic acid, chemically defined as mycophenolate mofetil under HTS 2934.99.01.00. This aromatic heterocyclic compound converts in vivo to active mycophenolic acid via esterase cleavage. Essential API for branded CellCept® and generic equivalents.

Duty Rate — Japan → United States

27.5%

Rate breakdown

9903.04.6215%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

Verify ester content >99% with no free mycophenolic acid (>0.1% triggers stability concerns)

Include polymorphic form specification (Form I most common) in CoA to ensure processing consistency

Controlled substance declaration NOT required (not DEA scheduled) but confirm with CBP

Mycophenolate Mofetil Morpholino Ester from Japan — Import Duty Rate | HTS 2934.99.01.00